Schema:
artists (id, name)
sqlite_sequence (name, seq)
albums (id, title, artist_id)
employees (id, last_name, first_name, title, reports_to, birth_date, hire_date, address, city, state, country, postal_code, phone, fax, email)
customers (id, first_name, last_name, company, address, city, state, country, postal_code, phone, fax, email, support_rep_id)
genres (id, name)
invoices (id, customer_id, invoice_date, billing_address, billing_city, billing_state, billing_country, billing_postal_code, total)
media_types (id, name)
tracks (id, name, album_id, media_type_id, genre_id, composer, milliseconds, bytes, unit_price)
invoice_lines (id, invoice_id, track_id, unit_price, quantity)
playlists (id, name)
playlist_tracks (playlist_id, track_id)
Please answer with SQL.